Patents by Inventor Yu-Jin WOO

Yu-Jin WOO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250113723
    Abstract: Provided is a polymer comprising: a first unit represented by Chemical Formula 1; a second unit represented by Chemical Formula 1 and different from the first unit; a third unit represented by Chemical Formula 2; and an end group represented by Chemical Formula 3, and an organic light emitting device using the same, wherein all the variables are described herein.
    Type: Application
    Filed: June 21, 2022
    Publication date: April 3, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hoon Kim, Juhwan Kim, Sungkyoung Kang, Dongyoon Khim, Yu Jin Woo, Jaechol Lee, Jiyoung Lee, Sejin Jung
  • Publication number: 20240368463
    Abstract: A polymer represented by the following Chemical Formula 1 and an organic light emitting device formed by using the same are described here: E1-[A1]a=[B1]b-[C1]c-E2??[Chemical Formula 1] wherein all the variables are described herein.
    Type: Application
    Filed: December 14, 2022
    Publication date: November 7, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hoon Kim, Sungkyoung Kang, Dongyoon Khim, Yu Jin Woo, Jaechol Lee, Jiyoung Lee
  • Patent number: 12104075
    Abstract: The present application relates to an encapsulating composition and an organic electronic device comprising the same, and provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside to secure the lifetime of the organic electronic device, is possible to realize a top emission type organic electronic device, is applicable to an inkjet method and can maintain reliability of a sealing structure under severe conditions such as high temperature and high humidity while providing a thin display, and an organic electronic device comprising the same.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: October 1, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Mi Lim Yu, Joon Hyung Kim, Yu Jin Woo, Kook Hyun Choi
  • Patent number: 12096648
    Abstract: A method for encapsulating an organic electronic element and an organic electronic device is provided. The method for encapsulating the organic electronic element is capable of effectively blocking moisture or oxygen introduced from the outside to an organic electronic device, is excellent in flatness of an encapsulating layer to have excellent endurance reliability, and increases efficiency of an encapsulating process.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: September 17, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Publication number: 20240141107
    Abstract: The present specification relates to a polymer comprising a unit represented by Chemical Formula 2, and an end group represented by Chemical Formula 5, and an organic light emitting device using the same: wherein all the variables are described herein.
    Type: Application
    Filed: September 1, 2021
    Publication date: May 2, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hoon Kim, Jaechol Lee, Yu Jin Woo, Sungkyoung Kang, Seung Jun Yoo, Dongyoon Khim
  • Publication number: 20230340185
    Abstract: The present specification relates to a polymer including a unit represented by Chemical Formula 1, a coating composition including the same, and an organic light emitting device formed using the same.
    Type: Application
    Filed: August 17, 2021
    Publication date: October 26, 2023
    Applicant: LG Chem, Ltd
    Inventors: Juhwan Kim, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Sejin Jung, Ji Hoon Kim, Dongyoon Khim
  • Patent number: 11773253
    Abstract: Provided is an encapsulating composition and an organic electronic device comprising the same. The encapsulating composition can effectively block moisture or oxygen from being introduced into an organic electronic device from the outside. The encapsulating composition can secure the lifetime of the organic electronic device, make it possible to realize a top emission type organic electronic device, is applicable to an inkjet method and can provide a thin display.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: October 3, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Yu Jin Woo, Joon Hyung Kim, Kook Hyun Choi, Mi Lim Yu
  • Publication number: 20230140039
    Abstract: The present disclosure provides a polymer compound and an organic light emitting device including e same, wherein the polymer comprising a repeating unit represented by the following Chemical Formula 1: wherein L, R1 to R5, and * are described herein.
    Type: Application
    Filed: March 16, 2021
    Publication date: May 4, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hoon Kim, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Sungkyoung Kang, Min Suk Jung
  • Patent number: 11638382
    Abstract: The present application relates to a method for preparing an organic electronic device, and the organic electronic device prepared by the same, the method for preparing an organic electronic device can improve flatness and adhesion of an organic layer in a process of sealing an organic electronic element to effectively block moisture or oxygen from the outside, thereby securing the lifetime of the organic electronic device.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: April 25, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Patent number: 11572346
    Abstract: The present specification relates to a compound, a coating composition including the same, and an organic light emitting device.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: February 7, 2023
    Inventors: Kwanghyun Kim, Youngju Park, Sungkyoung Kang, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Daeho Kim, Byungjae Kim
  • Patent number: 11545645
    Abstract: Provided is a method for preparing an organic electronic device, comprising steps of: applying an ink composition on a substrate, on which an organic electronic element is formed; applying heat thereto before curing the applied ink composition; and curing the applied ink composition by irradiating with light having a wavelength in a range of 300 nm to 450 nm. Also provided is an organic electronic device, comprising a substrate, an organic electronic element formed on the substrate, and an organic layer sealing the entire surface of the organic electronic element, wherein after the organic layer is maintained at 110° C. for 30 minutes, the out-gas amount measured using Purge & Trap-gas chromatography/mass spectrometry is less than 150 ppm.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: January 3, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Yu Jin Woo, Joon Hyung Kim, Kook Hyun Choi, Mi Lim Yu
  • Publication number: 20220255006
    Abstract: The present specification provides a compound of Chemical Formula 1, a coating composition including the same, and an organic light emitting device using the same.
    Type: Application
    Filed: July 16, 2020
    Publication date: August 11, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Byeong Yun Lim, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Yongwook Kim, Leehyeon Baek, Jumin Lee
  • Patent number: 11248142
    Abstract: The present application relates to an encapsulating composition and an organic electronic device comprising the same, and provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside to secure the lifetime of the organic electronic device, is possible to realize a top emission type organic electronic device, is applicable to an inkjet method and can provide a thin display.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: February 15, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Mi Lim Yu, Joon Hyung Kim, Yu Jin Woo, Kook Hyun Choi
  • Patent number: 11214699
    Abstract: The present application relates to an ink composition comprising a glycidyl ether compound and a method for forming an organic layer using the same, and provides an ink composition capable of forming an organic layer and adjusting haze in a curing process for an intended use, and a method of forming an organic layer using the same.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: January 4, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Patent number: 11171309
    Abstract: The present application relates to an encapsulating composition and an organic electronic device comprising the same, and provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside to secure the lifetime of the organic electronic device, is possible to realize a top emission type organic electronic device, is applicable to an inkjet method and can provide a thin display.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 9, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Yu Jin Woo, Joon Hyung Kim, Kook Hyun Choi, Mi Lim Yu
  • Publication number: 20210198502
    Abstract: The present application relates to an ink composition comprising a glycidyl ether compound and a method for forming an organic layer using the same, and provides an ink composition capable of forming an organic layer and adjusting haze in a curing process for an intended use, and a method of forming an organic layer using the same.
    Type: Application
    Filed: October 19, 2018
    Publication date: July 1, 2021
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Patent number: 11041089
    Abstract: The present application relates to an encapsulating composition, a method for preparing the same and an organic electronic device comprising the same, and provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside to secure the lifetime of the organic electronic device, is possible to realize a top emission type organic electronic device, is applicable to an inkjet method, can provide a thin display and can control moisture content to prevent damage to the element.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: June 22, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Yu Jin Woo, Joon Hyung Kim, Kook Hyun Choi, Mi Lim Yu
  • Patent number: 11024827
    Abstract: Provided is an organic electronic device and a method for manufacturing the same. The organic electronic device can effectively block moisture or oxygen from being introduced from the outside into the organic electronic device. The organic electronic device can secure the lifetime of an organic electronic element and has excellent durability while being applicable to a flexible device.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: June 1, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Mi Lim Yu, Joon Hyung Kim, Yu Jin Woo, Kook Hyun Choi
  • Publication number: 20210147358
    Abstract: The present specification relates to a compound, a coating composition including the same, and an organic light emitting device.
    Type: Application
    Filed: May 23, 2019
    Publication date: May 20, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Kwanghyun Kim, Youngju Park, Sungkyoung Kang, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Daeho Kim, Byungjae Kim
  • Patent number: 10913874
    Abstract: The present application relates to an encapsulating composition, an organic electronic device, a method for evaluating reliability of the organic electronic device and a method for preparing the organic electronic device, and provides an encapsulating composition which can improve flatness and adhesion of an organic layer sealing an organic electronic element to effectively block moisture or oxygen introduced into an organic electronic device from the outside, thereby securing the lifetime of the organic electronic device.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: February 9, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu